Plutonium — a key ingredient in nuclear weapons — is present in the fuel at the complex, which has been leaking radiation for over two weeks, so experts had expected some to be found once ...

W A S H I N G T O N, Sept. 09 -- The United States and Russia signed anagreement Friday to begin disposing of 34 tons of weapons-gradeplutonium each—enough for thousands of nuclear weapons. Vice ...

As it was said (and sang) in 1979, plutonium is forever…with thousands of years of radioactivity from nuclear fission (especially plutonium 239). Jeff Bezos—proving again that he is not ...

The amount of plutonium spread by testing has left a clear spike, like a fingerprint, in the environment. Even now, we can identify samples from the 1950s and 1960s by the presence of plutonium ...

At Los Alamos’s Plutonium Facility, in a building called PF-4, the U.S. plans to produce new plutonium pits for a renewed nuclear weapons program. Credit: Los Alamos National Laboratory ...

Plutonium is the 94th element in the periodic table and one of the most dangerous elements on Earth. Here we explore Plutonium in more detail.

A rare type of plutonium has been found in the crust below the deep sea, offering new clues as to how heavy metals form in star explosions and mergers.